How To Fix SWDP_CCP_WD_LOOKUP016 - &1: Input field &2 of object &3 is defined multiple times

SAP Error Message - Details

• Message type: E = Error

• Message class: SWDP_CCP_WD_LOOKUP - Message Class of Lookup CHIP

• Message number: 016

• Message text: &1: Input field &2 of object &3 is defined multiple times

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWDP_CCP_WD_LOOKUP016 - &1: Input field &2 of object &3 is defined multiple times ?

  The SAP error message SWDP_CCP_WD_LOOKUP016 indicates that there is a problem with the definition of input fields in a Web Dynpro application. Specifically, the error message states that an input field is defined multiple times, which can lead to ambiguity in the application.
  Cause:
  The error typically arises from one of the following scenarios:
  
  Duplicate Field Definitions: The same input field is defined multiple times in the context of the Web Dynpro component. This can happen if the same field is included in multiple views or if there are conflicting definitions in the context nodes.
  Incorrect Context Mapping: If the context nodes are not properly mapped, it can lead to the same field being referenced multiple times.
  View or Component Reuse: If a view or component is reused in a way that causes the same field to be instantiated multiple times without proper differentiation.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Field Definitions:
  
  Go to the Web Dynpro component in the SAP Web Dynpro Workbench.
  Review the context nodes and ensure that each input field is defined only once. Look for duplicate entries in the context.
  
  
  
  Review Context Mapping:
  
  Ensure that the context mapping between views and components is correctly set up. Make sure that fields are not being mapped multiple times inadvertently.
  
  
  
  Refactor Views:
  
  If you are reusing views or components, ensure that the input fields are uniquely identified. You may need to create separate context nodes or use different names for the fields to avoid conflicts.
  
  
  
  Check for Inheritance:
  
  If you are using inheritance in your Web Dynpro components, ensure that the inherited fields do not conflict with the fields defined in the child component.
  
  
  
  Debugging:
  
  Use the debugging tools available in the SAP Web Dynpro environment to trace the execution and identify where the duplicate definitions are occurring.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or community forums for additional insights or similar issues encountered by other developers.
  
  
  
  Related Information:
  
  Web Dynpro Development: Familiarize yourself with the principles of Web Dynpro development, especially regarding context management and view/component design.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other developers have encountered similar issues and how they resolved them.
  
  By following these steps, you should be able to identify and resolve the cause of the SWDP_CCP_WD_LOOKUP016 error in your SAP Web Dynpro application.